{{/* Split page raw content into fragments */}}
{{ $page := . }}

{{ $headingKeys := slice }}
{{ $headingTitles := slice }}

{{ range $h1 := $page.Fragments.Headings }}
  {{ if eq $h1.Title "" }}
    {{ $headingKeys = $headingKeys | append $h1.Title }}
  {{ else }}
    {{ $headingKeys = $headingKeys | append (printf "%s#%s" $h1.ID $h1.Title) }}
  {{ end }}
  {{ $headingTitles = $headingTitles | append (printf "# %s" $h1.Title) }}

  {{ range $h2 := $h1.Headings }}
    {{ $headingKeys = $headingKeys | append (printf "%s#%s" $h2.ID $h2.Title) }}
    {{ $headingTitles = $headingTitles | append (printf "## %s" $h2.Title) }}
  {{ end }}
{{ end }}

{{ $content := $page.RawContent }}
{{ $len := len $headingKeys }}
{{ $data := dict }}

{{ if eq $len 0 }}
  {{ $data = $data | merge (dict "" $page.Plain) }}
{{ else }}
  {{ range seq $len }}
    {{ $i := sub $len . }}
    {{ $headingKey := index $headingKeys $i }}
    {{ $headingTitle := index $headingTitles $i }}

    {{ if eq $i 0 }}
      {{ $data = $data | merge (dict $headingKey ($content | markdownify | plainify)) }}
    {{ else }}
      {{ $parts := split $content (printf "\n%s\n" $headingTitle) }}
      {{ $lastPart := index $parts (sub (len $parts) 1) }}

      {{ $data = $data | merge (dict $headingKey ($lastPart | markdownify | plainify)) }}
      {{ $content = strings.TrimSuffix $lastPart $content }}
      {{ $content = strings.TrimSuffix (printf "\n%s\n" $headingTitle) $content }}
    {{ end }}
  {{ end }}
{{ end }}
{{ return $data }}